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Finding the Fourth Proportional to 208,385.54, 287,571.12 and 112,892.48

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Solution

The fourth proportional to 208,385.54, 287,571.12 and 112,892.48 is: 155,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,385.54 : 287,571.12 = 112,892.48 : x
  2. Step 2: Convert to fraction form
    208,385.54/287,571.12 = 112,892.48/x
  3. Step 3: Cross multiply
    208,385.54x = 287,571.12 × 112,892.48
  4. Step 4: Simplify right side
    208,385.54x = 32,464,616,913.18
  5. Step 5: Solve for x
    x = 32,464,616,913.18/208,385.54
  6. Step 6: Final answer
    x = 155,791.12

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